172405079

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13907}}^1$

素因数の和:13955

約数の個数: 24

約数和(自身を含む): 228313728

約数和(自身を除く): 55908649

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 13907, 97349, 152977, 319861, 681443, 1070839, 2239027, 3518471, 7495873, 15673189, 24629297, 172405079]

約数ペア:

[(1, 172405079), (7, 24629297), (11, 15673189), (23, 7495873), (49, 3518471), (77, 2239027), (161, 1070839), (253, 681443), (539, 319861), (1127, 152977), (1771, 97349), (12397, 13907)]